.contaier {
    width: 100%;
    height: 100%;
}

.w-1000 {
    width: 1000px;
}

.header {
    min-height: 50px;
    margin: 0 auto;
    padding: 10px 0;
}

.header > .header_wrap {
    position: relative;
}

.header > .header_wrap > a >.logo {
    float: left;
    width: 113px;
    margin-top: 5px;
}

.header_wrap:after {
    display: table;
    content: "";
    clear: both;
}

.header > .header_wrap > .search {
    position: absolute;
    left: 50%;
    bottom: 5px;
    margin: 0 0 0 -190px;
    width: 380px;
    height: 38px;
    border: 1px solid #e4e4e4;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

.header > .header_wrap > .search > .search_wrap {
    width: 100%;
    height: 100%;
}

.header > .header_wrap > .search .search_text {
    position: absolute;
    width: 100%;
    height: 36px;
    padding-left: 10px;
    border: 0;
    line-height: 18px !important;
    color: #333;
    background: #fff;
    font-size: 12px;
    text-align: left;
    outline: none;
}

.header > .header_wrap > .search .search_text:focus + input.search_btn {
    border: 1px solid #35b558;
    background: #35b558 url("../img/topsearch-icon2_8c8d8b0.png") center center no-repeat!important;
}

.header > .header_wrap > .login {
    position: relative;
    float: right;
    text-align: right;
    line-height: 50px;
    color: #333;
    font-size: 12px;
}

.header > .header_wrap > .login>span> a {
    color: #333;
}

.header > .header_wrap > .login > em {
    padding: 0 5px;
}

.messgeing {
    background: url("../img/massage-icon2_d1369b2.gif") left center no-repeat;
    background-size: 15px 13px;
    box-sizing: content-box;
    display: inline-blockwidth: 50px;
    padding-right: 10px;
    text-align: left;
    padding-left: 12px;
    position: relative;
}

.header > .header_wrap > .login >.user_menu {
    display: inline-block;
    position: relative;
    float: right;
    font-size: 12px;
}

.header > .header_wrap > .login >.user_menu > a {
    position: relative;
    display: inline-block;
    margin-left: 10px;
    font-size: 12px;
    color: #35b558;
}

.header > .header_wrap > .login >.user_menu > a > i.arrow {
    webkit-transition: -webkit-transform .2s ease-in;
    -moz-transition: -moz-transform .2s ease-in;
    -ms-transition: -ms-transform .2s ease-in;
    transition: transform .2s ease-in;
}

.header > .header_wrap > .login >.user_menu:hover >a > i.arrow {
    transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    /* IE 9 */
    -moz-transform: rotate(180deg);
    /* Firefox */
    -webkit-transform: rotate(180deg);
    /* Safari 和 Chrome */
    -o-transform: rotate(180deg);
}

.header > .header_wrap > .login >.user_menu > a > i.arrow {
    position: relative;
    display: inline-block;
}

.header > .header_wrap > .login >.user_menu > a > i.arrow:after,
.header > .header_wrap > .login >.user_menu > a > i.arrow:before {
    display: block;
    width: 0!important;
    height: 0!important;
    padding: 0!important;
    font-size: 0!important;
    line-height: 0!important;
    border: 5px solid transparent;
    border-bottom-width: 0;
    border-top-color: #35b558;
    content: " ";
}

.header > .header_wrap > .login >.user_menu > a > i.arrow:after {
    position: absolute;
    bottom: 2px;
    left: 2px;
    border-width: 3px;
    border-bottom-width: 0;
    border-top-color: #fff!important;
}

.header > .header_wrap > .login >.user_menu>a {
    display: inline-block;
}

#sub_user_menu {
    position: absolute !important;
    display: none;
    width: 98px;
    margin: -10px 0 0;
    padding: 8px 0;
    right: 0;
    left: -25px;
    border: 1px solid #e4e4e4;
    text-align: left;
    z-index: 222222;
    background: #FFF;
}

.header > .header_wrap > .login >.user_menu > a:hover + #sub_user_menu {
    display: block;
}

#sub_user_menu:hover {
    display: block;
}

#sub_user_menu > i.arrow {
    display: block;
    position: absolute;
    top: -5px;
    margin-left: 44px;
    z-index: 222222;
}

#sub_user_menu > i.arrow:after,
#sub_user_menu > i.arrow:before {
    display: block;
    width: 0;
    height: 0;
    padding: 0;
    border: 5px solid transparent;
    border-top-width: 0;
    font-size: 0!important;
    line-height: 0!important;
    border-bottom-color: #e4e4e4;
    content: " ";
    z-index: 222222;
}

#sub_user_menu > i.arrow:after {
    position: absolute;
    top: 1px;
    left: 1px;
    border-width: 4px;
    border-top-width: 0;
    border-bottom-color: #fff;
    z-index: 222222;
}

#sub_user_menu ul {
    text-align: center;
    overflow: hidden;
}

#sub_user_menu ul li {
    height: 26px;
    line-height: 26px;
}

#sub_user_menu ul li:hover {
    background: #f3f3f3;
}

#sub_user_menu ul li:hover >a {
    color: #35b558;
}

#sub_user_menu ul li a {
    display: block;
    color: #000;
    padding: 0 14px;
    text-align: left;
}

.imgvip {
    height: 15px;
    vertical-align: middle;
    margin: 0;
    padding: 0;
}

.header > .header_wrap > .search .search_btn {
    position: absolute;
    top: -1px;
    right: -1px;
    width: 40px;
    height: 38px;
    border: 1px solid #dfdfdf;
    color: #6d6d6d;
    background: url("../img/topsearch-icon_e1f5df2.png") center center no-repeat;
    cursor: pointer;
}

.loading {
    width: 100%;
    height: 2px;
    overflow: hidden;
    background: #f3f3f3;
}

.loading .loading-length {
    width: 0;
    height: 2px;
    overflow: hidden;
    background: #35b558;
    background: -webkit-gradient(linear, 10% 10%, 100% 100%, color-stop(0.14, #35b550), color-stop(0.5, #8aca8c), color-stop(1, #2d85ca));
    width: 100%;
}

.navigation {
    width: 100%;
    height: 42px;
}

.navigation .navbox {
    position: relative;
    height: 42px;
    width: 100%;
    background: rgba(255, 255, 255, .9);
    border-bottom: 1px solid #e8e8e8;
    -webkit-box-shadow: rgba(0, 0, 0, .1) 0 1px 5px;
    -moz-box-shadow: rgba(0, 0, 0, .1) 0 1px 5px;
    box-shadow: rgba(0, 0, 0, .1) 0 1px 5px;
}

.navigation .navbox .nav {
    height: 100%;
    position: relative;
    margin: 0 auto;
}

.navigation .navbox .nav .nav_left {
    height: 100%;
    width: 740px;
}

.navigation .navbox .nav .nav_left a {
    display: inline-block;
    height: 100%;
    text-align: center;
    line-height: 42px;
    width: 120px;
    font-size: 14px;
    color: #333;
}

.navigation .navbox .nav .nav_right {
    height: 42px;
    overflow: hidden;
    position: absolute;
    z-index: 10;
    right: 0;
    top: 0;
    line-height: 42px;
    font-size: 12px;
    text-align: center;
}

.navigation .navbox .nav .nav_right a {
    display: inline-block;
    height: 42px;
    line-height: 42px;
    color: #000;
    margin-left: 10px;
}

.navigation .navbox .nav .nav_right a span {
    display: inline-block;
}

.navigation .navbox .nav .nav_right a span img {
    float: left;
    margin-right: 5px;
    margin-top: 14px;
}

.navigation .navbox .nav .nav_content {
    position: absolute;
    display: none;
    background: #fff;
    border: 1px solid #e8e8e8;
    width: 100%;
    top: 42px;
    height: 140px;
    padding-left: 50px;
    -webkit-box-shadow: rgba(0, 0, 0, .1) 0 1px 5px;
    -moz-box-shadow: rgba(0, 0, 0, .1) 0 1px 5px;
    box-shadow: rgba(0, 0, 0, .1) 0 1px 5px;
    z-index: 222222;
}

.navigation .navbox .nav .nav_content .nav_item {
    position: relative;
    width: 120px;
    margin-left: -1px;
    border-right: 1px solid #F7F7F7;
    float: left;
    padding-left: 15px;
    padding-top: 10px;
    padding-bottom: 14px;
    height: 85%;
}

.navigation .navbox .nav .nav_left:hover > ul#nav_content {
    display: block;
}

.navigation .navbox .nav .nav_content .nav_item:hover i.nav_arrow {
    display: inline-block;
    background-image: url("../img/nav-angle_f7c86b6.png");
    width: 12px;
    height: 7px;
    position: absolute;
    background-size: 100% 100%;
    top: -7px;
    left: 54px;
}

.navigation .navbox .nav .nav_content .nav_item >ul >li >a:hover {
    color: #35b558;
}

.navigation .navbox .nav .nav_content .nav_item:hover {
    background: #f3f3f3;
}

.navigation .navbox .nav .nav_content .nav_item:first-child {
    margin-left: 50px;
    border-left: 1px solid #F7F7F7;
}

.navigation .navbox .nav .nav_content >li> ul> li> a {
    font-size: 12px;
    color: #000;
    line-height: 29px;
    display: block;
    text-align: left;
}

.main_content .main_c_f {
    margin: 0 auto;
    margin-top: 20px!important;
    height: 385px;
}

.main_content .main_c_f .nav_left {
    position: relative;
    width: 212px;
    border-top: 2px solid #35b558;
    border-right: 0;
    height: 373px;
    float: left;
}

.main_content .main_c_f .nav_left ul {
    position: absolute;
    z-index: 800;
    width: 210px;
    height: 102%;
    background: #fff;
    border: 1px solid #e4e4e4;
    border-top: 0;
}

.main_content .main_c_f .nav_left ul li > div {
    height: 37px;
    line-height: 37px;
    padding: 0 15px;
    font-size: 13px;
    color: #333;
    border-bottom: 1px solid #F5F5F5;
    background: #fff url(../img/more-icon_d39346f.png) 186px center no-repeat;
    background-size: 6px 10px;
    cursor: pointer;
    font-weight: 400;
}

.main_content .main_c_f .nav_left ul >li >div:hover {
    color: #333;
    border-top: 1px solid #e4e4e4;
    border-bottom: 1px solid #e4e4e4;
    margin-left: -1px;
    height: 38px;
    margin-top: -1px;
    border-left: 2px solid #35b558;
    padding-left: 18px;
    border-right: 3px solid #fff;
    width: 213px;
    background: #fff;
    -webkit-box-shadow: 1px 1px 2px rgba(0, 0, 0, .1);
    -moz-box-shadow: 1px 1px 2px rgba(0, 0, 0, .1);
    box-shadow: 1px 1px 2px rgba(0, 0, 0, .1)
}

.main_content .main_c_f .nav_left ul >li >div:hover .sub_menu_show {
    display: block;
}

.main_content .main_c_f .nav_left ul li > div >a {
    color: #000;
    font-family: Verdana, "Lantinghei SC", "Hiragino Sans GB", "Microsoft Yahei", Helvetica, arial, \5b8b\4f53, sans-serif;
}

.main_content .main_c_f .nav_left ul >li >div > .sub_menu_show> .sub_menu >dl {
    margin: 0 10px;
    overflow: hidden;
}

.main_content .main_c_f .nav_left ul >li >div > .sub_menu_show> .sub_menu >dl a {
    color: #000;
}

.main_content .main_c_f .nav_left ul >li >div > .sub_menu_show> .sub_menu >dl a:hover {
    color: #35b558;
}

.main_content .main_c_f .nav_left ul >li >div > .sub_menu_show> .sub_menu >dl>dt {
    display: block;
    border-bottom: 1px solid #f5f5f5;
    height: 37px;
    line-height: 45px;
}

.main_content .main_c_f .nav_left ul >li >div > .sub_menu_show> .sub_menu >dl>dd >a {
    margin: 0 4px;
    padding: 3px 0;
}

.main_content .main_c_f .nav_left ul li div .sub_menu_show {
    -webkit-box-shadow: 2px 2px 4px rgba(0, 0, 0, .1);
    -moz-box-shadow: 2px 2px 4px rgba(0, 0, 0, .1);
    box-shadow: 1px 2px 4px rgba(0, 0, 0, .1);
    overflow: hidden;
    width: 108px;
    min-height: 373px;
    background: #fff;
    border: 1px solid #e4e4e4;
    position: absolute;
    left: 209px;
    top: -2px;
    z-index: 100;
    border-left: 0;
    display: none;
    padding-bottom: 30px;
}

.main_content .main_c_f .img_banner {
    position: relative;
    width: 560px;
    float: left;
    margin-left: 10px;
}

.main_content .main_c_f .img_banner .banner_box {
    position: relative;
    width: 100%;
    height: 260px;
}

.main_content .main_c_f .banner_box .banner_wrap a img {
    width: 100%;
    height: 260px;
    max-width: 560px;
}

.main_content .main_c_f .img_banner .banner_box span.banner_left {
    position: absolute;
    background: url("../img/banner-left_fe0df34.png") -10px -5px no-repeat;
    width: 40px;
    height: 50px;
    display: none;
    overflow: hidden;
    z-index: 999;
    cursor: pointer;
    top: 100px;
}

.main_content .main_c_f .img_banner .banner_box span.banner_right {
    position: absolute;
    background: url("../img/banner-right_a0bdd7d.png") -10px -5px no-repeat;
    width: 40px;
    height: 50px;
    display: none;
    right: 0;
    top: 100px;
    z-index: 999;
    cursor: pointer;
    overflow: hidden;
}

.main_content .main_c_f .img_banner .banner_box .pagin {
    position: absolute;
    left: 0;
    text-align: center;
    bottom: 15px;
    width: 100%;
    z-index: 800;
}

.main_content .main_c_f .img_banner .banner_box:hover > .banner_left,
.main_content .main_c_f .img_banner .banner_box:hover > .banner_right {
    display: block;
}

.main_content .main_c_f .img_banner .banner_box .banner_wrap a {
    position: absolute;
    display: block;
    float: left;
    width: 560px;
}

.main_content .main_c_f .img_banner .banner_box .pagin .pagin_switch {
    display: inline-block;
    width: 39px;
    height: 7px;
    background: url("../img/swiper1_6a811bf.jpg") center center no-repeat;
    margin: 0 6px;
    cursor: pointer;
}

.main_content .main_c_f .img_banner .banner_box1 {
    position: relative;
    height: 109px;
    width: 100%;
}

.main_content .main_c_f .img_banner .banner_box1 .banner_wrap1 ul >li {
    display: inline-block;
    width: 181px;
    height: 109px;
    border-left: 1px solid #E2E2E2;
}

.main_content .main_c_f .img_banner .banner_box1 .banner_wrap1 {
    position: relative;
    margin-top: 13px!important;
    border: 1px solid #E2E2E2;
    width: 100%;
    height: 109px!important;
    overflow: hidden!important;
}

.main_content .main_c_f .img_banner .banner_box1 .banner_wrap1 ul >li >a >img {
    width: 40px;
    height: 40px;
    display: block;
    margin: 8px auto;
}

.main_content .main_c_f .img_banner .banner_box1:hover >.banner_wrap1 > .banner_left,
.main_content .main_c_f .img_banner .banner_box1:hover > .banner_wrap1>.banner_right {
    display: block;
}

.banner_title {
    font-size: 12px;
    color: #333;
    text-align: center;
    margin-bottom: 4px;
}

.banner_content {
    font-size: 12px;
    text-align: center;
    color: #666;
}

.banner_left {
    position: absolute;
    display: none;
    top: 30px;
    z-index: 200;
    width: 24px;
    height: 40px;
    left: 0;
    background: url("../img/focus-nav_4593a01.png") 0 0 no-repeat;
    background-size: 48px 80px;
    cursor: pointer;
}

.banner_right {
    display: none;
    position: absolute;
    top: 30px;
    z-index: 200;
    width: 24px;
    height: 40px;
    right: 0;
    background: url("../img/focus-nav_4593a01.png") -24px 0 no-repeat;
    background-size: 48px 80px;
    cursor: pointer;
}

.main_article {
    position: relative;
    height: 382px;
    width: 210px;
    float: left;
    border: 1px solid #E4E4E4;
    margin-left: 6px;
    overflow: hidden;
}

.main_article .new {
    height: 125px;
    padding: 0 13px;
    border-bottom: 1px solid #E4E4E4;
}

.main_article .new h3 {
    margin-top: 10px;
    color: #333;
    font-size: 14px;
}

.main_article .new ul.new_list {
    margin-top: 5px;
}

.main_article .new ul.new_list >li >a {
    display: block;
    color: #666;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.main_article .user_info > a {
    display: block;
    float: left;
    width: 64px;
    margin-top: 10px;
}

.main_article .user_info > a >img {
    display: block;
    margin: 0 auto;
    width: 40px;
    height: 40px;
}

.main_article .user_info .user_detail_info {
    margin-top: 10px;
    padding: 10px 0;
}

.main_article .user_info .user_detail_info a img {
    width: 40px;
    height: 15px;
    display: inline;
    margin-left: 6px;
    vertical-align: middle;
}

.main_article .user_info .user_detail_info span {
    color: #666;
    font-size: 12px;
}

.main_article .user_info .user_detail_info span a {
    color: #3287C8;
    display: inline-block;
    width: 58px;
    white-space: nowrap;
    font-size: 12px;
    text-overflow: ellipsis;
    overflow: hidden;
    vertical-align: middle;
}

.main_article .user_info {
    border-bottom: 1px solid #E4E4E4;
    height: 86px;
}

.main_article .user_info .user_nav {
    position: relative;
    width: 220px;
    top: -10px;
    left: -7px;
}

.main_article .user_info .user_nav a {
    display: inline-block;
    font-size: 12px;
    float: left;
    color: #333;
    padding-left: 5px;
}

.user_nav:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}

.main_article .user_info .user_nav a:hover {
    color: #35B558;
}

.main_article .user_info .free_vip {
    position: relative;
    display: block;
    width: 60px;
    height: 20px;
    background-color: #fddeca;
    line-height: 22px;
    color: #ff5c00;
    font-size: 12px;
    text-align: center;
    top: -20px;
    left: 64px;
    cursor: pointer;
}

.qita ul {
    float: left;
    position: relative;
    top: -9px;
}

.qita ul li {
    position: relative;
    float: left;
    display: block;
    color: #000;
    width: 51.5px;
    height: 76px;
    font-size: 12px;
    line-height: 23px;
    text-align: center;
    border-bottom: 1px solid #F5F5F5;
    border-right: 1px solid #F5F5F5;
    cursor: pointer;
}

.qita ul li a {
    color: #666;
}

.clear:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}

.icon {
    background-image: url(../img/recommend_4a9a464.png);
    display: block;
    width: 25px;
    height: 25px;
    margin: 13px auto 0;
    background-size: 71px 232px;
}

.question {
    background-position: -5px -3px;
}

.wiki {
    background-position: -5px -31px;
}

.lession {
    background-position: -5px -59px;
}

.group {
    background-position: -5px -87px;
}

.qita ul li .angle-bottom {
    display: block;
    width: 0;
    height: 0;
    border-top: 6px solid #E4E4E4;
    box-sizing: content-box;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid transparent;
    margin: 0 auto;
}

.qita ul li:hover .download {
    background-position: -41px -117px;
}

.qita ul li:hover .known {
    background-position: -41px -144px;
}

.qita ul li:hover .occupation {
    background-position: -41px -173px;
}

.qita ul li:hover .vip {
    background-position: -41px -202px
}

.qita ul li:hover a {
    color: #35b558;
}

.download {
    background-position: -5px -117px;
}

.known {
    background-position: -5px -144px;
}

.occupation {
    background-position: -5px -173px;
}

.vip {
    background-position: -5px -202px;
}

.hot-list {
    margin: 0 auto;
    margin-top: 30px;
}

.hot-list .hot-header {
    height: 47px;
    background: url(../img/hotnav_bc_f22b37e.jpg) 0 100% repeat-x;
}

.hot-list .hot-header li {
    width: 16.6%;
    float: left;
    text-align: center;
    font-size: 14px;
    color: #666;
    padding: 10px 0;
    cursor: pointer;
}

.hot_active {
    border-bottom: 2px solid #35b558;
    background: url(../img/index-sj_cc73747.png) center bottom no-repeat;
    background-size: 10px 4px;
    color: #35b558!important;
}

.five-hot {
    position: relative;
    margin-top: 20px!important;
    margin: 0 auto;
}

.five-hot .lesson-list ul {
    width: 1100px;
    margin-top: 0;
}

.five-hot .lesson-list ul li {
    margin-right: 20px;
    background: 0 0;
    margin-bottom: 20px;
    height: 220px;
    width: 235px;
    float: left;
    cursor: pointer;
}

.five-hot .lesson-list ul li .lesson-box {
    position: relative;
    border: 1px solid #e4e4e4;
    border-bottom: 0;
    width: 235px;
}

.five-hot .lesson-list ul li .lesson-box >a > img {
    width: 100%;
    height: 130px;
}

.five-hot .lesson-list ul li .lesson-box >a > .lessonplay {
    background: #000;
    background: rgba(0, 0, 0, .4);
    width: 100%;
    height: 100%;
    z-index: 100;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    transition: opacity 0.4s ease-in;
    -moz-transition: opacity 0.4s ease-in;
    /* Firefox 4 */
    -webkit-transition: opacity 0.4s ease-in;
    /* Safari 和 Chrome */
    -o-transition: opacity 0.4s ease-in;
}

.five-hot .lesson-list ul li .lesson-box >a > .lessonplay >.playericon {
    position: absolute;
    z-index: 120;
    width: 50px;
    height: 50px;
    display: none;
    left: 50%;
    margin-left: -25px;
    top: 50%;
    margin-top: -25px;
    background: url(../img/player_icon_5c67475.png) 0 0 no-repeat;
    cursor: pointer;
    background-size: 50px 50px;
}

.five-hot .lesson-list ul li .lesson-info {
    border: 1px solid #e4e4e4;
    border-top: 0;
    background: #fff!important;
    height: 88px;
    padding: 10px;
    position: relative;
    z-index: 200;
    height: 88px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e4e4e4;
    border-top: 0;
}

.five-hot .lesson-list ul li .lesson-info .lesson-info-h2 {
    font-size: 14px;
    color: #333;
    line-height: 18px;
    margin-bottom: 12px;
    height: 36px;
    overflow: hidden;
}

.five-hot .lesson-list ul li .lesson-info .lesson-info-h2 a {
    color: #333;
    line-height: 18px;
}

.mar-b8 {
    margin-bottom: 8px;
}

.five-hot .lesson-list ul li .lesson-info {
    height: 88px;
    transition: height 0.4s ease-in-out;
    -moz-transition: height 0.4s ease-in-out;
    /* Firefox 4 */
    -webkit-transition: height 0.4s ease-in-out;
    /* Safari 和 Chrome */
    -o-transition: height 0.4s ease-in-out;
}

.five-hot .lesson-list ul li .lesson-info p {
    height: 0px;
    opacity: 0;
    color: gray;
    font-size: 12px;
    line-height: 18px;
    height: 0;
    overflow: hidden;
    margin-bottom: 10px;
    display: none;
    transition: all 5s ease-in;
    -moz-transition: all 5s ease-in;
    /* Firefox 4 */
    -webkit-transition: all 5s ease-in;
    /* Safari 和 Chrome */
    -o-transition: all 5s ease-in;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon {
    font-size: 12px;
    color: gray;
    position: relative;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .cf dl {
    width: 120px;
    float: left;
    white-space: nowrap;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .cf dl dd {
    font-size: 12px;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .time-icon {
    background: url(../img/clok_a413ecf.png) 0 0 no-repeat;
    width: 14px;
    height: 14px;
    display: block;
    float: left;
    margin-right: 8px;
    background-size: 14px 14px;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .cf .lessonicon-box {
    position: absolute;
    right: 0;
    text-align: right;
    bottom: 4px;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .cf .lessonicon-box a {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 3px;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .cf .lessonicon-box a img {
    display: block;
    width: 16px;
    height: 16px;
}

.cf:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}

em {
    font-style: normal;
}

.lesson-shoucang {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 16px;
    height: 16px;
    background: url(../img/shoucang-1_76dc56f.png);
    background-size: 16px 16px;
    z-index: 101;
    display: none;
    cursor: pointer;
}

.five-hot .lesson-list ul li:hover > .lesson-info > .timeandicon >.cf>.learn-number {
    float: right;
    display: none;
}

.five-hot .lesson-list ul li:hover > .lesson-box > .lesson-shoucang {
    display: block;
}

.five-hot .lesson-list ul li:hover > .lesson-info > .timeandicon >.cf>.learn-number {
    display: block;
}

.five-hot .lesson-list ul li:hover > .lesson-info > .timeandicon >.cf>.lessonicon-box {
    bottom: -2px;
}

.five-hot .lesson-list ul li:hover > .lesson-box > a >.lessonplay {
    display: block;
    opacity: 1;
}

.five-hot .lesson-list ul li:hover > .lesson-box > a >.lessonplay >.playericon {
    display: block;
}

.five-hot .lesson-list ul li:hover > .lesson-info {
    height: 175px;
}

.five-hot .lesson-list ul li:hover .lesson-info p {
    display: block;
    animation: myfirst 0.4s;
    -moz-animation: myfirst 0.4s;
    /* Firefox */
    -webkit-animation: myfirst 0.4s;
    /* Safari 和 Chrome */
    -o-animation: myfirst 0.4s;
    height: 52px;
    opacity: 1;
}

.five-hot .lesson-list ul li:nth-child(5),
.five-hot .lesson-list ul li:nth-child(6),
.five-hot .lesson-list ul li:nth-child(7),
.five-hot .lesson-list ul li:nth-child(8) {
    margin-top: 20px;
}

.five-hot .lesson-list ul li .lesson-info .timeandicon .cf dl dd.zhongji {
    display: none;
}

.five-hot .lesson-list ul li:hover .lesson-info .timeandicon .cf em {
    display: block;
}

.five-hot .lesson-list ul li:hover .lesson-info .timeandicon .cf >dl >dd.zhongji {
    display: block;
}

.xinhao-icon3 {
    background: url(../img/three-ji_b588ab1.png) 0 0 no-repeat;
    background-size: 14px 14px;
    width: 14px;
    height: 14px;
    display: block;
    float: left;
    margin-right: 8px;
}

@keyframes myfirst {
    from {
        height: 0;
        opacity: 0;
    }
    to {
        height: 52px;
        opacity: 1;
    }
}

@-moz-keyframes myfirst
/* Firefox */

{
    from {
        height: 0;
        opacity: 0;
    }
    to {
        height: 52px;
        opacity: 1;
    }
}

@-webkit-keyframes myfirst
/* Safari 和 Chrome */

{
    from {
        height: 0;
        opacity: 0;
    }
    to {
        height: 52px;
        opacity: 1;
    }
}

@-o-keyframes myfirst
/* Opera */

{
    from {
        height: 0;
        opacity: 0;
    }
    to {
        height: 52px;
        opacity: 1;
    }
}

.xinhao-icon {
    background: url(../img/one-ji_1731712.png) 0 0 no-repeat;
    background-size: 14px 14px;
    width: 14px;
    height: 14px;
    display: block;
    float: left;
    margin-right: 8px;
}

.five-hot:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}

.free-icon {
    height: 22px;
    width: 38px;
    display: inline-block;
    position: absolute;
    top: -2px;
    right: 8px;
    z-index: 101;
    background: url(../img/icon_7f8b929.png) -58px -43px no-repeat;
}

.protect,
.system,
.excellent,
.wiki,
.enterprise {
    margin: 0 auto;
    margin-top: 30px;
}

.protect .protect_title,
.system .system_title,
.excellent .excellent_title,
.wiki .wiki_title,
.enterprise .enterprise_title {
    margin-bottom: 16px;
}

.protect .protect_title strong,
.system .system_title strong,
.excellent .excellent_title strong,
.wiki .wiki_title strong,
.enterprise .enterprise_title strong {
    font-size: 18px;
    color: #333;
    float: left;
    font-weight: 500;
}

.protect .protect_title strong a,
.system .system_title strong a,
.excellent .excellent_title strong a,
.wiki .wiki_title strong a,
.enterprise .enterprise_title strong a {
    color: #333;
}

.protect .protect_title .way,
.system .system_title .way,
.excellent .excellent_title .way,
.wiki .wiki_title .way {
    font-size: 12px;
    line-height: 13px;
    color: #fff;
    background: #999;
    text-align: center;
    border-radius: 50%;
    display: block;
    width: 13px;
    height: 13px;
    float: left;
    margin: 10px 8px 0;
    cursor: pointer;
}

.protect .protect_title .more,
.system .system_title .more,
.excellent .excellent_title .more,
.wiki .wiki_title .more,
.enterprise .enterprise_title .more {
    font-size: 12px;
    color: #666;
    padding: 2px 4px;
    border: 1px solid #e4e4e4;
    position: relative;
    display: inline-block;
    box-shadow: 1px 1px 3px #ccc;
    opacity: 0;
    margin-left: -5px;
    transition: all 0.5s linear;
    -moz-transition: all 0.5s linear;
    -webkit-transition: all 0.5s linear;
    -o-transition: all 0.5s linear;
    top: 3px;
}

.protect .protect_title .way:hover + span.more,
.system .system_title .way:hover + span.more,
.excellent .excellent_title .way:hover + span.more,
.wiki .wiki_title .way:hover + span.more {
    opacity: 1;
    margin-left: 0;
}

.protect .protect_title span.more:before,
.system .system_title span.more:before,
.excellent .excellent_title span.more:before,
.wiki .wiki_title span.more:before,
.enterprise .enterprise_title span.more:before {
    content: '';
    background: url(../img/title-sj_adebc06.jpg) center center no-repeat;
    width: 5px;
    height: 10px;
    display: block;
    position: absolute;
    left: -5px;
    top: 7px;
    z-index: 10;
}

.protect .protect_title .more_lesson,
.system .system_title .more_lesson,
.excellent .excellent_title .more_lesson,
.wiki .wiki_title .more_lesson,
.enterprise .enterprise_title .more_lesson {
    font-size: 12px;
    color: #2d85ca;
    float: right;
    margin-top: 4px;
}

.protect .learn-card a {
    width: 19.8%;
    border: 1px solid #E4E4E4;
    float: left;
    text-align: center;
    display: block;
    height: 300px;
    overflow: hidden;
}

.protect .learn-card a img {
    margin-bottom: 24px;
}

.protect .learn-card a h2 {
    font-size: 15px;
    color: #333;
    margin-bottom: 20px;
    height: 20px;
    overflow: hidden;
}

.protect .learn-card a p {
    font-size: 12px;
    color: #666;
    line-height: 20px;
    height: 20px;
    width: 199px;
    overflow: hidden;
}

.greenbtn2 {
    display: inline-block;
    color: #35b558;
    font-size: 16px;
    background: #f3fff6;
    border: 1px solid #35b558;
    width: 140px;
    height: 34px;
    line-height: 31px;
    text-align: center;
    margin-top: 20px;
    cursor: pointer;
    outline: 0;
    -webkit-transition-duration: .8s;
    transition-duration: .8s;
    -webkit-transition-property: background;
    transition-property: background;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.learn-card >a:hover > .greenbtn2 {
    background: #66d178;
    color: #fff
}

.protect .learn-card a:hover {
    border: 1px solid rgb(53, 181, 88);
}

.system_card_transform {
    width: 167px;
    height: 120px;
    border: 1px solid #E4E4E4;
    border-right: 0;
    border-bottom: 0;
    float: left;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.system_card_transform .front {
    border-bottom: 1px solid #E4E4E4;
    padding: 15px 0;
    z-index: 2;
    -webkit-transform: rotateY(0deg);
    -moz-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
    transform: rotateY(0deg);
    background-color: #fff;
}

.system_card_transform .front img {
    margin-bottom: 5px;
    height: 40px;
    width: 40px;
}

.system_card_transform .front h2 {
    margin-bottom: 5px;
    font-size: 15px;
    color: #333;
}

.system_card_transform .back {
    padding-top: 30px;
    -webkit-transform: rotateY(-180deg);
    -moz-transform: rotateY(-180deg);
    -ms-transform: rotateY(-180deg);
    transform: rotateY(-180deg);
    background-color: #f5f5f5;
}

.system_card_transform .back,
.system_card_transform .front {
    border-bottom: 1px solid #E4E4E4;
    width: 167px;
    height: 120px;
    -webkit-backface-visibility: hidden;
    -webkit-transition: .6s;
    -moz-backface-visibility: hidden;
    -moz-transition: .6s;
    -ms-backface-visibility: hidden;
    -ms-transition: .6s;
    backface-visibility: hidden;
    transition: .6s;
    position: absolute;
    left: 0;
    top: 0;
}

.system_card_transform .back .greentbtn {
    font-size: 16px;
    color: #fff;
    text-align: center;
    border-radius: inherit;
    -webkit-border-radius: inherit;
    -moz-border-radius: inherit;
    width: 140px;
    height: 36px;
    cursor: pointer;
    outline: none;
    border: 0;
}

.greentbtn {
    display: inline-block;
    color: #fff;
    border-radius: 3px;
    font-size: 18px;
    background: #35b558;
    -webkit-transition-duration: .8s;
    transition-duration: .8s;
    -webkit-transition-property: background;
    transition-property: background;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.system_card_transform a:hover >.front {
    transform: rotateY(180deg);
}

.system_card_transform a:hover >.back {
    transform: rotateY(0deg);
}

.system_card_transform .back strong {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
    font-weight: 400;
}

.system_card_transform .back .greentbtn {
    font-size: 16px;
    color: #fff;
    text-align: center;
    border-radius: inherit;
    -webkit-border-radius: inherit;
    -moz-border-radius: inherit;
    width: 140px;
    height: 36px;
    cursor: pointer;
}

.greentbtn:hover {
    background: #66d178;
    color: #fff
}

.system_map {
    width: 1010px;
}

.bdr {
    border-right: 1px solid #E4E4E4;
}

.bdl {
    border-left: 1px solid #E4E4E4;
}

.bdb {
    border-bottom: 1px solid #E4E4E4;
}

.bdp {
    border-top: 1px solid #E4E4E4;
}

.system_card_transform .front span {
    font-size: 14px;
    color: #35b558;
}

.excellent .excellent_box {
    position: relative;
    width: 235px;
    height: 261px;
    float: left;
    margin-left: 20px;
    padding: 16px;
    border: 1px solid #e4e4e4;
    font-size: 12px;
    box-sizing: border-box;
}

.excellent .excellent_box .lesson-card h2 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 80%;
    margin-bottom: 15px;
    font-size: 14px;
    font-weight: 400;
    line-height: 1;
}

.excellent .excellent_box .lesson-card .other {
    position: relative;
    z-index: 20;
    color: gray;
    line-height: 18px;
}

.excellent .excellent_box .lesson-card .other a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    margin-right: 6px;
    float: right;
    display: inline-block;
    padding-left: 20px;
    padding-top: 2px;
    padding-bottom: 2px;
    font-size: 12px;
    padding-right: 20px;
}

.excellent .excellent_box .describe {
    position: absolute;
    left: 0;
    z-index: 10;
    width: 100%;
    background: rgba(255, 255, 255, .9);
    opacity: 0;
    top: 0;
    height: 100%;
    text-align: center;
    visibility: hidden;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    transition: .3s;
}

.excellent .excellent_box .lesson-card .other .lesson-count {
    max-width: 40px;
}

.describe {
    cursor: pointer;
}

.describe .img_circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 20px;
}

.describe .name {
    display: block;
    position: absolute;
    top: 71px;
    left: 43%;
    color: #666;
}

.describe .text {
    display: block;
    position: absolute;
    top: 38%;
    padding: 10px;
    height: 35px;
    overflow: hidden;
    color: #666;
}

.describe .btn {
    display: inline-block;
    position: absolute;
    top: 68%;
    left: 31%;
    padding-left: 25px;
    padding-right: 25px;
    line-height: 26px;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
    background: #35b558;
    color: #fff;
}

.excellent_box:hover {
    border-color: #35b558;
}

.excellent_box:hover > .lesson-card {
    opacity: 0.8;
}

.excellent_box:hover > .describe {
    opacity: 1;
    visibility: visible;
}

.wiki .wiki_box {
    width: 301.3px;
    height: 370px;
    float: left;
    padding: 15px;
    border: 1px solid #e4e4e4;
}

.wiki .wiki_box h2 {
    font-size: 14px;
    font-weight: 500;
}

.wiki .wiki_box .wiki-img dl dd:nth-child(1) {
    margin-right: 15px;
}

.wiki .wiki_box .wiki-img dl dd {
    text-align: center;
    width: 142px;
    float: left;
}

.wiki .wiki_box dl dd .imgbox {
    position: relative;
    width: 142px;
    height: 200px;
    background: #999;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
}

.wiki .wiki_box:hover {
    border: 1px solid #35b558;
}

.wiki .wiki_box dl dd .imgbox img.fengmian {
    width: 142px;
    height: 200px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -moz-animation: ffk-animate2 1s ease forwards;
    -webkit-animation: ffk-animate2 1s ease forwards;
    -o-animation: ffk-animate2 1s ease forwards;
    -ms-animation: ffk-animate2 1s ease forwards;
    animation: ffk-animate2 1s ease forwards;
    transform-origin: 0 0 0;
}

.wiki .wiki_box dl dd:hover .imgbox .look {
    display: block;
}

.wiki .wiki_box dl dd:hover .imgbox img.fengmian {
    -moz-animation: ffk-animate 1s ease backwards;
    -webkit-animation: ffk-animate 1s ease backwards;
    -o-animation: ffk-animate 1s ease backwards;
    -ms-animation: ffk-animate 1s ease backwards;
    animation: ffk-animate 1s ease backwards;
    transform-origin: 0 0 0;
}

.wiki .wiki_box dl dd h3 {
    font-size: 13px;
    color: #333;
    height: 13px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 13px;
    margin: 10px auto;
}

.wiki .wiki_box dl dd span {
    display: block;
    font-size: 12px;
    color: #999;
}

.wiki .wiki_box ul {
    margin-top: 10px;
}

.wiki .wiki_box ul li {
    font-size: 12px;
    color: #999;
    line-height: 12px;
    margin-bottom: 8px;
    display: block;
}

.wiki .wiki_box ul li a {
    color: #999;
}

.wiki .wiki_box ul li p {
    width: 200px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    float: left;
}

.wiki .wiki_box dl dd .imgbox .look {
    position: absolute;
    width: 40px;
    z-index: 10;
    right: -10px;
    top: -13px;
    background: url(../img/look_d293d44.png) center center no-repeat;
    background-size: 100% 100%;
    height: 20px;
    display: none;
}

@-webkit-keyframes ffk-animate {
    0% {
        -webkit-transform: rotateY(0deg);
    }
    100% {
        -webkit-transform: rotateY(-20deg);
    }
}

@-moz-keyframes ffk-animate {
    0% {
        -webkit-transform: rotateY(0deg);
    }
    100% {
        -webkit-transform: rotateY(-20deg);
    }
}

@-ms-keyframes ffk-animate {
    0% {
        -webkit-transform: rotateY(0deg);
    }
    100% {
        -webkit-transform: rotateY(-20deg);
    }
}

@keyframes ffk-animate {
    0% {
        -webkit-transform: rotateY(0deg);
    }
    100% {
        -webkit-transform: rotateY(-20deg);
    }
}

@-webkit-keyframes ffk-animate2 {
    0% {
        -webkit-transform: rotateY(-20deg);
    }
    100% {
        -webkit-transform: rotateY(0deg);
    }
}

@-moz-keyframes ffk-animate2 {
    0% {
        -webkit-transform: rotateY(-20deg);
    }
    100% {
        -webkit-transform: rotateY(0deg);
    }
}

@-ms-keyframes ffk-animate2 {
    0% {
        -webkit-transform: rotateY(-20deg);
    }
    100% {
        -webkit-transform: rotateY(0deg);
    }
}

@keyframes ffk-animate2 {
    0% {
        -webkit-transform: rotateY(-20deg);
    }
    100% {
        -webkit-transform: rotateY(0deg);
    }
}

.enterprise_box {
    border: 1px solid #E4E4E4;
    height: 45px;
    padding: 20px;
    position: relative;
}

.enterprise_box .swiper-container {
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    -o-backface-visibility: hidden;
    backface-visibility: hidden;
    z-index: 1;
    text-align: center;
}

.enterprise_box .swiper-container img {
    vertical-align: middle;
    height: 50px;
    width: 150px;
    border: 1px solid #e4e4e4;
}

.enterprise_box .swiper-container img.imghg {
    width: 110px;
    height: 110px;
    border: 0;
    margin-left: 20px;
}

.hg {
    height: 110px;
}

.footer {
    min-width: 1000px;
    background: #fafafa;
    border-top: 1px solid #E4E4E4;
    border-bottom: 1px solid #e4e4e4;
    margin-top: 50px;
}

.footer-content {
    width: 1000px;
    margin: 0 auto;
    min-height: 300px;
}

.footer .footer-content dl {
    width: 170px;
    padding-left: 30px;
    color: gray;
    margin: 25px 0;
    float: left;
    border-left: 1px solid #E4E4E4;
    min-height: 175px;
}

.footer .footer-content a {
    color: gray;
}

.footer .footer-content dl dt {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

.footer .footer-content dl dd {
    font-size: 12px;
    margin-top: 10px;
}

.footer .footer-content .search-share {
    min-height: 226px;
    border-left: 1px solid #E4E4E4;
    padding: 20px 0 0 40px;
}

.footer .footer-content .jktxt {
    font-size: 15px;
    color: #35b558;
    display: block;
    margin-bottom: 15px;
    font-weight: 500;
}

.footer .search-share .app-download strong {
    font-size: 18px;
    color: #666;
    margin-bottom: 8px;
}

.share:before,
.share:after {
    display: inline-block;
    content: " ";
    clear: both;
}

.footer .search-share .app-download a {
    padding-left: 0;
}

.footer .search-share .app-download img {
    display: block;
    float: left;
    margin-right: 15px;
}

.footer .search-share .share {
    margin-top: 15px;
    position: relative;
}

.footer .search-share .share a {
    background: url(../img/icon_7f8b929.png) -23px 0 no-repeat;
    width: 32px;
    height: 32px;
    display: inline-block;
    float: left;
    margin-right: 10px;
    /*position: relative;*/
}

.footer .search-share .share a.sina-icon {
    background-position: -23px 0;
}

.footer .search-share .share a.tieba-icon {
    background-position: -145px 0;
}

.footer .search-share .share a.qq-icon {
    background-position: -23px -82px;
}

.footer .kefu-online {
    width: 161px;
    float: right;
    margin-top: 15px;
    padding-left: 35px;
}

.footer .kefu-online .kefu-icon.online {
    background-position: 0 0;
}

.footer .kefu-online .kefu-icon {
    float: left;
    width: 40px;
    height: 40px;
    margin-left: -40px;
    background: url(../img/kefu_8edc734.png) no-repeat -40px 0/80px 40px;
}

.footer .search-share .share a.qq-icon .weinxinpop {
    position: absolute;
    bottom: 32px;
    z-index: 200;
    display: none;
    right: 33px;
    top: -162px;
}

.footer .search-share .share a.qq-icon:hover .weinxinpop {
    display: block;
}

.footer .kefu-online h5 {
    color: #666;
    font-size: 14px;
    margin-bottom: 2px;
    line-height: 22px;
    padding-left: 5px;
}

.footer .kefu-online p {
    color: gray;
    font-size: 12px;
    padding-left: 5px;
}

.copyright {
    font-size: 12px;
    color: #999;
    margin: 0 auto;
    width: 1000px;
    text-align: center;
    padding: 20px;
}

.copyright strong {
    font-weight: 400;
}

.copyright a {
    color: #999;
}
